#include <stdio.h>

int main()
{
    int a,b,c;
    for(a = 0;a <= 1;a++)
    for(b = 0;b <= 1;b++)
    for(c = 0;c <= 1;c++)
    if((a&&!b || !a&&b)
        &&(b&&!c || !b&&c)
        &&(c&&a+b == 0 || !c&&a+b != 0))
    {
        printf("Zhangsan told a %s.\n",a?"truth":"lie");
        printf("Lisi told a %s.\n",b?"truth":"lie");
        printf("Wangwu told a %s.\n",c?"truth":"lie");
    }
}